KEV Entry

CVE-2021-20039

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-20039

2025-07-16 17:25 UTC

Timestamps

2025-07-16

2025-07-16

Scope

KEVIntel entry: Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated... | Affected: SonicWall / SonicWall SMA100 | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-20039', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-20039'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-20039'}

8f13ae6a-99cc-41f9-bd4e-a9dabfbd152a

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:45 UTC

2026-06-19 12:45 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2025-07-16T17:25:30.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "SonicWall SMA100",
  "title": "Improper neutralization of special elements in the SMA100 management interface \u0027/cgi-bin/viewcert\u0027 POST http method allows a remote authenticated...",
  "used_in_malware": "unknown",
  "vendor": "SonicWall"
}
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